Home / 1,481.92-2,046.67-986.66

Finding the Fourth Proportional to 1,481.92, 2,046.67 and 986.66

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Solution

The fourth proportional to 1,481.92, 2,046.67 and 986.66 is: 1,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.92 : 2,046.67 = 986.66 : x
  2. Step 2: Convert to fraction form
    1,481.92/2,046.67 = 986.66/x
  3. Step 3: Cross multiply
    1,481.92x = 2,046.67 × 986.66
  4. Step 4: Simplify right side
    1,481.92x = 2,019,356.64
  5. Step 5: Solve for x
    x = 2,019,356.64/1,481.92
  6. Step 6: Final answer
    x = 1,362.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.